The best thermostats for heat pumps combine compatibility, ease of use, and energy savings. This guide highlights five strong options that fit common heat-pump setups, from basic, non-programmable models to feature-rich Wi‑Fi thermostats. Each is chosen for reliability, clear displays, and clear guidance on which systems they support. Ideal buyers include DIY homeowners seeking simple installs, households needing reliable daily controls, and energy-conscious buyers aiming for set-it-and-forget-it efficiency.
| Product | Best For | Notes |
|---|---|---|
| Honeywell Home RTH22B | Simple heat pump users needing reliable basic programming | 2H/2C compatibility, 7-day scheduling, large display |
| Aowel AW721 | Non-programmable control for 2H/1C heat pumps | White backlit screen, wall-compatibility caveat |
| Garystat 2H/1C Non‑Programmable | Budget-friendly, basic operation with humidity monitor | Compatibility notes required |
| Riseem Thermostat | Simple DIY install for basic heat-pump setups | Non-programmable, dual power supply |
| Mroinge 2H/1C Non‑Programmable | Clear display, easy setup for standard heat pumps | Not for line-voltage or high-volt systems |
Honeywell Home RTH22B: Classic Programmable Convenience
The RTH22B is designed for conventional or heat pump systems up to two stages. It supports 7-day, 5-1-1, 5-2, or 1-week programming, with a large display and readable font. Best for homeowners who want reliable, familiar control with customizable scheduling and a straightforward setup. It replaces older models (RTH5160/RTH6360) in compatible configurations, so it suits users upgrading from legacy Honeywell thermostats.
Who it suits best: homeowners who value a proven interface, easily interpretable screens, and dependable scheduling on a 2H/2C heat pump system. A noted caveat is that extensive compatibility details should be confirmed for non-Honeywell bundles, as some configurations can differ by equipment.
Aowel AW721: Non‑Programmable Heat Pump Control
The AW721 is a non-programmable thermostat designed for heat pump systems up to 2H/1C. It emphasizes compatibility with heat pump setups and aux/emergency heat as needed. This model is best for users who want a simple, reliable thermostat without scheduling complexity and who need to confirm compatibility prior to installation. A caution: verify wall footprint and compatibility with the existing wall plate to avoid fit issues during replacement.
Who it suits best: buyers seeking a straightforward, non-programmable solution for a 2H/1C heat pump, with emphasis on reliable operation and basic humidity awareness through the model’s design. Choose this if you don’t need programmable schedules and want a quick install.
Garystat 2H/1C Non‑Programmable: Budget Humidity Monitor
Garystat offers a non-programmable heat pump thermostat intended for homes with 2 heating/1 cooling stages. It highlights compatibility with heat pump systems and traditional forced air configurations while noting it does not work with electric baseboard, line voltage, or RV systems. This makes it a practical choice for standard heat-pump installations that don’t require advanced scheduling. A limitation is the lack of programmability, which may reduce energy management options for some households.
Who it suits best: buyers who want a cost-effective, non-programmable control for a typical 2H/1C heat pump, and who are mindful of system compatibility and non-compatibility with high-voltage baseboard setups.
Riseem Thermostat: Easy DIY Heat Pump Install
Riseem’s thermostat is a non-programmable option designed for simple DIY installation on dual-power systems. It supports basic manual control and a backlit LCD for readability. Best for homeowners seeking a quick swap with universal terminal blocks and a straightforward interface. A potential limitation is the lack of scheduling features, which reduces long-term energy optimization opportunities.
Who it suits best: buyers who want a quick, no-fruss install for a basic heat pump without programmable options, and who can manage with manual temperature control only.
Mroinge Non-Programmable: Large Display, Clear Readouts
The Mroinge thermostat targets 2H/1C heat pump setups with a large LCD display for easy visibility. It is non-programmable, emphasizing quick setup and simple control. Compatibility restrictions apply: it is not suitable for line-voltage or 110-240V high-voltage systems. This makes it a practical pick for standard low-voltage heat pump installations that require clear temperature and humidity readouts. A caution: verify compatibility with existing wiring and thermostat layout before purchase.
Who it suits best: buyers wanting a large-display, non-programmable option for typical heat pumps, and who prioritize readability and quick setup over scheduling features.
Buying Guide: Key Considerations For Heat Pump Thermostats
- System compatibility: Confirm whether the thermostat supports 2H/1C, 2H/2C, or only single-stage heat pump setups. Check for aux/backup heat support if applicable.
- Programmability: Decide between programmable, non-programmable, and smart Wi‑Fi models. Programmable units help with energy savings through scheduling, while non-programmables prioritize simplicity.
- Power requirements: Some units can operate on 24VAC power or batteries. If your system lacks a C-wire, verify whether the model can run without a common wire.
- Display and usability: A large, high-contrast display improves readability and reduces adjustments, especially in busy rooms or for older users.
- Installation considerations: Check wall footprint, mounting compatibility, and whether the unit replaces an older Honeywell or other brand. Non-programmable options often provide simpler installs.
- Energy-saving features: Look for scheduling, occupancy-based adjustments, and potential rebates or utility demand programs when choosing a smart or Wi‑Fi thermostat.
- Limitations to note: Some models exclude line-voltage systems or certain baseboard heat configurations. Always review compatibility with your current HVAC setup before purchasing.
FAQ
What is the difference between programmable and non-programmable thermostats for heat pumps?
Programmable thermostats allow custom schedules to match daily routines, which can improve energy savings. Non-programmable models offer simple on/off control without scheduling.
Do all heat-pump thermostats require a C-wire?
No. Some models can operate without a C-wire, but many require it for reliable power. Check product specifications before installation.
Can I replace an old thermostat with a newer model easily?
Replacement ease depends on wiring compatibility and mounting style. Many models are designed for standard wall plates and low-voltage setups, but verify your wall and wiring first.
Are smart Wi‑Fi thermostats worth it for heat pumps?
They offer remote control, energy-tracking insights, and potential rebates, but require a stable Wi‑Fi connection and may involve higher upfront costs.
What should I consider before buying for a 2H/1C heat pump?
Ensure compatibility with aux/backup heat if used, confirm whether a C-wire is required, and decide if you need scheduling or simple manual control.
